package com.tingyuge.base.jdk.jdk8;

import java.util.HashMap;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author xiaodao
 * @version 1.0
 * @description
 */
public class Test01 {
    public static void main(String[] args) {
        ConcurrentHashMap map = new ConcurrentHashMap();
    }
}
